Interesting. I have 10 gal Rubbermaid cooler with a SS braid loop and a Kewler Kitz 1/2 inch valve. I can usually stick a mash opening the valve much more than 45 degrees.
Primary: , Boddington's Clone, Mirror Pond w/Marris Otter
Bottled: Fullers ESB Clone
Kegged: Mirror Pond Clone
Drinking: BM's Kona Fire Rock, Dead Guy Clone, Alaskan Amber Alt Clone, Firestone DBA Clone, Magnum/Crystal IPA
Next up: Burton IPA